PT - JOURNAL ARTICLE AU - E Weitzenblum AU - A Chaouat AU - R Kessler TI - Long-term oxygen therapy: do current guidelines need revision? AID - 10.1034/j.1399-3003.1999.13e44.x DP - 1999 May 01 TA - European Respiratory Journal PG - 1209--1210 VI - 13 IP - 5 4099 - http://erj.ersjournals.com/content/13/5/1209.short 4100 - http://erj.ersjournals.com/content/13/5/1209.full SO - Eur Respir J1999 May 01; 13